Fix helpful-mode .. some more

still not quite there

init.el

@@ -1010,15 +1010,19 @@ successive invocations."
       (global-goto-address-mode)
     (add-hook 'after-change-major-mode-hook #'goto-address-mode)))
 
-;; TODO: figure out a popper.el / shackle.el ... thing to fix this
 (setup (:straight helpful)
+  (:require-after 3)
+  
+  (defvar helpful-pre-windows nil
+    "Window configuration /before/ helpful was called.")
+  
   (:option helpful-switch-buffer-function
            (defun helpful-pop-to-buffer (&rest args)
-             (let ((foo
-                    (if (eq major-mode 'helpful-mode)
-                        #'pop-to-buffer-same-window
-                      #'pop-to-buffer)))
-               (apply foo args))))
+             (if (eq major-mode 'helpful-mode)
+                 (apply #'pop-to-buffer-same-window args)
+               (require 'winner)
+               (setq helpful-pre-windows (winner-conf))
+               (apply #'pop-to-buffer args))))
   
   (:global "<help> f" #'helpful-callable
            "<help> v" #'helpful-variable
@@ -1031,7 +1035,9 @@ successive invocations."
                  (quit-window)
                  (unless (or (= 1 (count-windows))
                              (eq major-mode 'helpful-mode))
-                   (delete-window))))))
+                   (delete-window)
+                   (ignore-errors
+                     (winner-set helpful-pre-windows)))))))
 
 (setup (:straight hungry-delete)
   (:option hungry-delete-chars-to-skip " \t"